Lineman's hand test set

Details Lineman's hand test set Lineman's hand test set

1978-06-12

1980-03-18

Robinson, Thomas A.

179 90K, H04M 322

Patent

active

041940989

ABSTRACT:
The present invention comprises a lineman's hand test set which will simultaneously generate both tone impulses for tone dialing as well as dial pulses for rotary dialing, the rotary dialing or the tone dialing being inhibited depending on the type of telephone the lineman is working with.

REFERENCES:
patent: 3778556 (1973-12-01), Mees et al.
patent: 3792205 (1974-02-01), O'Dea
patent: 4119810 (1978-10-01), Marin et al.

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